Jana has a number cube numbered 1 to 6. She plans to roll the cube 78 times. Predict the number of times Jana will roll a 2.

Answers

Answer 1
Answer:

The number of times Jana will roll a 2 will be 13.

What is Probability?

Probability is simply the possibility of getting an event. Or in other words, we are predicting the chance of getting an event.

The value of probability will be always in the range from 0 to 1.

Given that,

Jana has a number cube numbered 1 to 6.

When Jana rolls the number cube 1 time, there is an equal chance of getting each number.

Probability that the number is 2 = 1/6

So, there is a 1/6 probability that the number rolled is 2.

Jana plans to roll the cube 78 times.

So the number of times Jana will roll a 2 = 78 × (1/ 6) = 13

Hence the number of times that Jana will roll a 2 in the number cube is predicted as 13.

Learn more about Probability here :

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Answer 2
Answer: 13 times

78/6 = 13 is probability.

Hope i become the brainliest.

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Solve for y:-

32 + y = 85

Thank you!!!

Answers

To solve for y we need to subtract 32 from both sides.
 32 + y = 85
-32         -32
-----------------
y = 53

So the final answer is 53
32 + y = 85 subtract 32 from both sides

y = 53

The answer is y = 53

10% as a decimal and fraction??

Answers

10%= 0.10
10%= (10)/(100) = (1)/(10)

Three runners run along a 1.5 mile trail one Saturday morning. The graph shows the runner’s locations starting at 9:00 a.m. Who is at the trail start at 9:00 a.m.?

Answers

Answer: 1) Andy 2) Caedin 3) 9:08am 4) Berta

Step-by-step explanation: first is Andy because it says “the locations starting at 9am “and the starting point is 0 and Andy is the only one there. Second is Caedin because he decreases at first but increases later on. Third because they started at 9am and the x-axis (minutes) says 8 so it could only mean they cross paths at 9:08am, the last one is Berta because she closest

Answer:

Andy

Step-by-step explanation:

Since hes 0 away from it meaning he’s there

Explain how you found the answer (:

Answers

Look at point E which is located at (8,2). Then look at point E' which corresponds to point E. The point E' is located at (-2,0).

To move from E to E' we do the following: 
a) Shift 10 units to the left
b) Shift 2 units down
The "10 units to the left" move has 'x' turn into 'x-10'. Similarly, the "shift 2 units down" means we have 'y' turn into 'y-2'

So overall, the rule used is the rule shown in choice B. Which is why choice B is the answer. 

What is 3 8/15 simplified?

Answers

the answer is 53 because when 15 is multiplied to 3 the answer is 45. Then when 45 is added to 8 the answer is 53
answer is 53, because when you 15×3=45, and
45+8=53

When dividing 878 by 31, a student finds a quotient of 28 with a remainder of 11. Check the students work, and use the check to find the error in the solution

Answers

There is an error in the student's work, the remainder should be 10

Further explanation

The division operation is one of the basic arithmetic operations

Common signs used are \large{\boxed{:}}} or \large{\boxed{\slash}}

The division is written by placing the numerator above the denominator with a horizontal line between them or use a slash with the numerator's position and the denominator is parallel

The division is actually an iterative subtraction operation (as many as the number of divisors)

Division is the opposite of multiplying

The general form of division can be stated by:

\large{\boxed{\bold{divident:divisor=quotient+remainder}}

example:

7: 3 = 2 + 1

  • 7 = dividend
  • 3 = divisor
  • 2 = quotient
  • 1 = remainder

Division operation statement:

"7 divided by 3 equals 2 remainder 1"

The form of division can also be expressed in terms of fractions

In the example above, the form of mixed fractions  :

\displaystyle (7)/(3) =2(1)/(3)

Mixed fractions consist of whole number and proper fractions

From the task

(see also the attached image)

When dividing 878 by 31, a student finds a quotient of 28 with a remainder of 11.

Division operation statement:

"878 divided by 31 equals 28 remainder 11

Arithmetic operations :

878 : 31 = 28 + 11

  • 878 = dividend
  • 31 = divisor
  • 28 = quotient
  • 11 = remainder

Because Division is the opposite of multiplying, so we check the solution with multiplying

divident - (divisor x quotient) = remainder

878 - (31 x 28) = 11

878 - 868 = 11

10 ≠ 11

So students make mistakes in subtraction operations,remainder should be 10

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Keywords: division, mixed fraction, dividend , divisor , quotient, remainder

878/3 is 28 with a remainder of 10! The error is when they subtracted 258-248 wrong